A 10-week Study Evaluating the Efficacy and Safety of PD 0332334 for the Treatment of Generalized Anxiety Disorder (3)

NCT ID: NCT00658762

Last Updated: 2012-11-16

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE3

Total Enrollment

286 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-05-31

Study Completion Date

2009-04-30

Brief Summary

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This is a 10-week trial that evaluates the efficacy and safety of PD 0332334 in subjects ages 18 and older with generalized anxiety disorder.

Detailed Description

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Termination reason: On February 23rd 2009, a decision to terminate further development for PD 0332334 was communicated to investigators in this study. The decision to terminate this study was not based on any safety concerns.

Conditions

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Generalized Anxiety Disorder

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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PD 0332334 225 mg BID

Group Type EXPERIMENTAL

PD 0332334

Intervention Type DRUG

Capsules, oral, 225 mg BID, 8 weeks, with 2 week taper

PD 0332334 300 mg BID

Group Type EXPERIMENTAL

PD 0332334

Intervention Type DRUG

Capsules, oral, 300 mg BID, 8 weeks, with 2 week taper

Paroxetine 20 mg q am

Group Type ACTIVE_COMPARATOR

paroxetine

Intervention Type DRUG

Capsules, oral, 20 mg q am, 8 weeks, with 2 week taper

Placebo BID

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Capsules, oral, BID, 8 weeks, with 2 week taper

Interventions

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PD 0332334

Capsules, oral, 225 mg BID, 8 weeks, with 2 week taper

Intervention Type DRUG

PD 0332334

Capsules, oral, 300 mg BID, 8 weeks, with 2 week taper

Intervention Type DRUG

paroxetine

Capsules, oral, 20 mg q am, 8 weeks, with 2 week taper

Intervention Type DRUG

Placebo

Capsules, oral, BID, 8 weeks, with 2 week taper

Intervention Type DRUG

Other Intervention Names

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imagabalin

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of GAD (Diagnostic and Statistical Manual-IV \[DSM-IV\], 300.02) as established by the clinician (psychiatrist or licensed clinical psychologist) who has interviewed the subject using all sources of data including the Mini International Neuropsychiatric Interview (MINI) for DSM-IV Axis I disorders and other clinical information. Subjects with specific phobia(s) (as defined in DSM-IV) or dysthymic disorder will be allowed in the study.
* Subjects must have a HAM-A total score \>/= 20 at the screening (V1) and randomization (V2) visits. Subjects must also have a Covi Anxiety Scale score of \>/= 9 and a Raskin Depression Scale score \</= 7 at the Screening (V1) visit to ensure predominance of anxiety symptoms over depression symptoms.

Exclusion Criteria

* Subjects with evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, pancreatic, neurologic, active infections, immunological, or allergic disease (including drug allergies).
* Any of the following current (within the past 6 months through the present) DSM-IV Axis I diagnoses: Major depressive disorder; Obsessive compulsive disorder; Panic disorder; Agoraphobia; Posttraumatic stress disorder; Anorexia; Bulimia; Caffeine-induced anxiety disorder; Alcohol or substance abuse or dependence unless in full remission for at least 6 months; Social anxiety disorder.
* Any of the following past or current DSM-IV Axis I diagnoses: Schizophrenia; Psychotic disorder; Delirium, dementia, amnestic and other clinically significant cognitive disorders; Bipolar or schizoaffective disorder; Cyclothymic disorder; Dissociative disorders.
* Antisocial or borderline personality disorder.
* Serious suicidal risk per the clinical investigator's judgment.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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Pfizer Investigational Site

Birmingham, Alabama, United States

Site Status

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Glendale, California, United States

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Orange, California, United States

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Temecula, California, United States

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Upland, California, United States

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Wildomar, California, United States

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Fort Myers, Florida, United States

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Orange City, Florida, United States

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Atlanta, Georgia, United States

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Marietta, Georgia, United States

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Greenwood, Indiana, United States

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Wichita, Kansas, United States

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Omaha, Nebraska, United States

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New York, New York, United States

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Syracuse, New York, United States

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Beachwood, Ohio, United States

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Cincinnati, Ohio, United States

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Cleveland, Ohio, United States

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Oklahoma City, Oklahoma, United States

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Oklahoma City, Oklahoma, United States

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Salem, Oregon, United States

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Media, Pennsylvania, United States

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Norristown, Pennsylvania, United States

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Dallas, Texas, United States

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Houston, Texas, United States

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Houston, Texas, United States

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Woodstock, Vermont, United States

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Pfizer Investigational Site

Budapest, , Hungary

Site Status

Countries

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Taiwan United States Hungary

Related Links

Other Identifiers

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A5361020

Identifier Type: -

Identifier Source: org_study_id